Search found 638 matches

by arnedanielsen
Sat Jun 19, 2021 2:22 pm
Forum: This is SolarChat !!
Topic: CaK imaging with different aperture masks
Replies: 11
Views: 80

CaK imaging with different aperture masks

Dear all, Following up on Mark’s excellent suggestion to stop-down my William Optics ZenithStar 61II for CaK imaging I got a good excuse to buy a 3D-printer for creating different aperture masks . 😊 202918523_224650786141324_6916936905496195674_n_resize.jpg 200208242_328287718898191_5873735058406300...
by arnedanielsen
Sat Jun 19, 2021 10:34 am
Forum: This is SolarChat !!
Topic: AR 2832 in CaK.
Replies: 5
Views: 61

Re: AR 2832 in CaK.

Very sharp and detailed CaK image!

Thanks for sharing!

Best regards,
Arne
by arnedanielsen
Sat Jun 19, 2021 10:26 am
Forum: This is SolarChat !!
Topic: Sun FD in H-Alpha and CaK 15th of June 2021
Replies: 4
Views: 45

Re: Sun FD in H-Alpha and CaK 15th of June 2021

Thank you so much for your kind comments, Terry, Alexandra and Franco.

All the best,
Arne
by arnedanielsen
Sat Jun 19, 2021 10:24 am
Forum: This is SolarChat !!
Topic: Sun FD in CaK 13th of June 2021
Replies: 8
Views: 68

Re: Sun FD in CaK 13th of June 2021

Thank you very much, Maurits.

Best regards,
Arne
by arnedanielsen
Fri Jun 18, 2021 4:35 pm
Forum: This is SolarChat !!
Topic: The Sun - 16 June 2021
Replies: 7
Views: 54

Re: The Sun - 16 June 2021

That's a good collection, David! Thanks for sharing!

Best regards,
Arne
by arnedanielsen
Fri Jun 18, 2021 4:30 pm
Forum: This is SolarChat !!
Topic: Sol from the 16th of June 2021.
Replies: 12
Views: 73

Re: Sol from the 16th of June 2021.

Great work, Eric!

Best regards,
Arne
by arnedanielsen
Fri Jun 18, 2021 4:28 pm
Forum: This is SolarChat !!
Topic: AR2833 and proms June 17th, 2021
Replies: 17
Views: 139

Re: AR2833 and proms June 17th, 2021

Great work, Franco!

Best regards,
Arne
by arnedanielsen
Fri Jun 18, 2021 4:27 pm
Forum: This is SolarChat !!
Topic: 18th June Quick process from this morning
Replies: 16
Views: 106

Re: 18th June Quick process from this morning

Great CaK image, Nigella!

Best regards,
Arne
by arnedanielsen
Thu Jun 17, 2021 8:04 pm
Forum: This is SolarChat !!
Topic: Sun FD in H-Alpha 14th of June 2021
Replies: 4
Views: 26

Re: Sun FD in H-Alpha 14th of June 2021

Thanks, Terry.

Best regards,
Arne
by arnedanielsen
Thu Jun 17, 2021 8:03 pm
Forum: This is SolarChat !!
Topic: Sun FD in H-Alpha and CaK 15th of June 2021
Replies: 4
Views: 45

Sun FD in H-Alpha and CaK 15th of June 2021

Dear all, I'm a little behind on my image-processing, but here are some shots from June 15th. First out FD image in H-Alpha using the Takahashi Sky-90II with Coronado 90mm/BF15, Coronado 2x CeMax and ASI 1600mm PRO. Sun90FD_154426_Ha_(Coronado_90mm_BF15)_20210615_ZWO ASI1600MM Pro_lapl4_ap6087_Sharp...
by arnedanielsen
Thu Jun 17, 2021 7:51 pm
Forum: This is SolarChat !!
Topic: Sun FD in H-Alpha 14th of June 2021
Replies: 4
Views: 26

Re: Sun FD in H-Alpha 14th of June 2021

Thanks Alexandra!

Best regards,
Arne
by arnedanielsen
Wed Jun 16, 2021 8:42 pm
Forum: This is SolarChat !!
Topic: Sun FD in H-Alpha 14th of June 2021
Replies: 4
Views: 26

Sun FD in H-Alpha 14th of June 2021

Dear all, Poor conditions, but managed to squeeze in this FD image in H-Alpha using the Takahashi Sky-90II with Coronado 90mm/BF15, Coronado 2x CeMax and ASI 1600mm PRO. Sun90FD_155904_Ha_(Coronado_90mm_BF15)_20210614_ZWO ASI1600MM Pro_pipp_lapl4_ap6073_Sharpened_Contrast_resize.jpg Full size image ...
by arnedanielsen
Wed Jun 16, 2021 8:36 pm
Forum: This is SolarChat !!
Topic: Sun FD in CaK 13th of June 2021
Replies: 8
Views: 68

Re: Sun FD in CaK 13th of June 2021

Thank you Paul, Alexandra, James, Ivan and Eric!

Best regards,
Arne
by arnedanielsen
Wed Jun 16, 2021 8:35 pm
Forum: This is SolarChat !!
Topic: AR2833 and prom
Replies: 10
Views: 73

Re: AR2833 and prom

Well done Bruce! Thanks for sharing!

Best regards,
Arne
by arnedanielsen
Tue Jun 15, 2021 9:23 pm
Forum: This is SolarChat !!
Topic: Sun FD in CaK 13th of June 2021
Replies: 8
Views: 68

Sun FD in CaK 13th of June 2021

Dear all, Here's a FD image in CaK using William Optics ZenithStar 61II, Lunt Cak 1200 module and ASI 178mm camera. Following Mark's suggestion, I stopped down the aperture to 40mm. I was planning to do a few comparison shots, but clouds moved in and prevented me from doing this. SunCaK60_103839_CaK...
by arnedanielsen
Tue Jun 15, 2021 8:56 pm
Forum: This is SolarChat !!
Topic: 06.15.21 Sun in Lunt50
Replies: 7
Views: 86

Re: 06.15.21 Sun in Lunt50

Beautiful images, Ivan!

Best regards,
Arne
by arnedanielsen
Tue Jun 15, 2021 8:53 pm
Forum: This is SolarChat !!
Topic: June 14 2021 Ha AR12833 prom
Replies: 25
Views: 253

Re: June 14 2021 Ha AR12833 prom

Very impressive Leo! Thanks for sharing!

Best regards,
Arne
by arnedanielsen
Tue Jun 15, 2021 8:51 pm
Forum: This is SolarChat !!
Topic: Today's SUN (20210615) | TWO BIG proms
Replies: 11
Views: 189

Re: Today's SUN (20210615) | TWO BIG proms

Beautiful work, Pedro!

Best regards,
Arne
by arnedanielsen
Tue Jun 15, 2021 8:49 pm
Forum: This is SolarChat !!
Topic: AR2833 and proms 15th June 2021
Replies: 11
Views: 109

Re: AR2833 and proms 15th June 2021

Top notch, Stuart!

Thanks for sharing!

Best regards,
Arne
by arnedanielsen
Mon Jun 14, 2021 8:09 pm
Forum: This is SolarChat !!
Topic: Today's SUN (20210613) | NEW AR & Floating PROM
Replies: 14
Views: 223

Re: Today's SUN (20210613) | NEW AR & Floating PROM

Excellent capture in all wavelengths, Pedro!

Best regards,
Arne
by arnedanielsen
Mon Jun 14, 2021 8:08 pm
Forum: This is SolarChat !!
Topic: june 13th + NEW ANIMATION
Replies: 11
Views: 119

Re: june 13th

Spectacular close-up, Paul!

Best regards,
Arne
by arnedanielsen
Mon Jun 14, 2021 8:07 pm
Forum: This is SolarChat !!
Topic: halpha sun and WL of 13 June
Replies: 3
Views: 50

Re: halpha sun and WL of 13 June

Very nice Stephane! Thanks for sharing!

Best regards,
Arne
by arnedanielsen
Fri Jun 11, 2021 7:21 pm
Forum: This is SolarChat !!
Topic: Solar Eclipse FD in H-Alpha 10th of June 2021
Replies: 7
Views: 89

Re: Solar Eclipse FD in H-Alpha 10th of June 2021

Thank you Brian, Terry, Jochen and Alexandra!

Terry: You are of course absolutely right :-)

Best regards,
Arne
by arnedanielsen
Thu Jun 10, 2021 9:18 pm
Forum: This is SolarChat !!
Topic: Solar Eclipse FD in H-Alpha 10th of June 2021
Replies: 7
Views: 89

Re: Solar Eclipse FD in H-Alpha 10th of June 2021

Thank you very muich, Stu!

Best regards,
Arne
by arnedanielsen
Thu Jun 10, 2021 9:17 pm
Forum: This is SolarChat !!
Topic: Sun FD in H-Alpha 9th of June 2021 with huge prom on the NW limb.
Replies: 7
Views: 111

Re: Sun FD in H-Alpha 9th of June 2021 with huge prom on the NW limb.

Thank you very much Dan, Terry, Alexandros, Eric, James and Alexandra for your kind comments!

I was really impressed with how fast the eruption changed/moved.

Best regards,
Arne